Java tutorial
/** * This file is part of MythTV Android Frontend * * MythTV Android Frontend is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * MythTV Android Frontend is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MythTV Android Frontend. If not, see <http://www.gnu.org/licenses/>. * * This software can be found at <https://github.com/MythTV-Clients/MythTV-Android-Frontend/> */ /** * */ package org.mythtv.client.ui.dvr; import java.util.List; import org.joda.time.DateTime; import org.joda.time.DateTimeZone; import org.mythtv.R; import org.mythtv.client.MainApplication; import org.mythtv.client.ui.preferences.LocationProfile; import org.mythtv.client.ui.util.MythtvListFragment; import org.mythtv.db.dvr.ProgramConstants; import org.mythtv.db.dvr.ProgramDaoHelper; import org.mythtv.db.dvr.ProgramGuideDaoHelper; import org.mythtv.db.dvr.RecordingConstants; import org.mythtv.services.api.v027.beans.Program; import org.mythtv.service.util.DateUtils; import android.animation.ValueAnimator; import android.animation.ValueAnimator.AnimatorUpdateListener; import android.content.Context; import android.database.Cursor; import android.os.Bundle; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import org.mythtv.services.api.v027.beans.RecordingInfo; /** * @author dmfrey * */ public class GuideDataFragment extends MythtvListFragment implements LoaderManager.LoaderCallbacks<Cursor> { private static final String TAG = GuideDataFragment.class.getSimpleName(); private static ProgramGuideDaoHelper mProgramGuideDaoHelper = ProgramGuideDaoHelper.getInstance(); private MainApplication mMainApplication; private ProgramGuideChannelCursorAdapter mAdapter; private LocationProfile mLocationProfile; /** * */ public GuideDataFragment() { } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onCreateLoader(int, android.os.Bundle) */ @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { Log.v(TAG, "onCreateLoader : enter"); String[] projection = null; String selection = null; String[] selectionArgs = null; String sortOrder = null; switch (id) { case 0: Log.v(TAG, "onCreateLoader : getting prorgrams for channel"); int channelId = args.getInt(ProgramConstants.FIELD_CHANNEL_ID); long date = args.getLong(ProgramConstants.FIELD_END_TIME); DateTime start = new DateTime(date).withTimeAtStartOfDay(); DateTime end = start.plusDays(1); Log.v(TAG, "onCreateLoader : getting prorgrams for channel " + channelId + " on " + start.toString() + " until " + end.toString()); start = start.withZone(DateTimeZone.UTC); end = end.withZone(DateTimeZone.UTC); projection = new String[] { ProgramConstants._ID, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_TITLE, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_SUB_TITLE, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_CATEGORY, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_START_TIME, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_END_TIME, ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_RECORD_ID, RecordingConstants.ContentDetails.GUIDE + "_" + RecordingConstants.FIELD_RECORD_ID, RecordingConstants.ContentDetails.GUIDE + "_" + RecordingConstants.FIELD_STATUS }; selection = ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_CHANNEL_ID + " = ? AND " + ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_END_TIME + " > ? AND " + ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_START_TIME + " < ? AND " + ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_MASTER_HOSTNAME + " = ?"; selectionArgs = new String[] { String.valueOf(channelId), String.valueOf(start.getMillis()), String.valueOf(end.getMillis()), mLocationProfile.getHostname() }; sortOrder = ProgramConstants.TABLE_NAME_GUIDE + "." + ProgramConstants.FIELD_START_TIME; Log.v(TAG, "onCreateLoader : exit"); return new CursorLoader(getActivity(), ProgramConstants.CONTENT_URI_GUIDE, projection, selection, selectionArgs, sortOrder); default: Log.v(TAG, "onCreateLoader : exit, invalid id"); return null; } } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onLoadFinished(android.support.v4.content.Loader, java.lang.Object) */ @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { Log.v(TAG, "onLoadFinished : enter"); mAdapter.swapCursor(cursor); Log.v(TAG, "onLoadFinished : exit"); } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onLoaderReset(android.support.v4.content.Loader) */ @Override public void onLoaderReset(Loader<Cursor> loader) { Log.v(TAG, "onLoaderReset : enter"); mAdapter.swapCursor(null); Log.v(TAG, "onLoaderReset : exit"); } /* (non-Javadoc) * @see android.support.v4.app.ListFragment#onCreateView(android.view.LayoutInflater, android.view.ViewGroup, android.os.Bundle) */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.program_guide_data, null); return view; } /* (non-Javadoc) * @see android.support.v4.app.Fragment#onActivityCreated(android.os.Bundle) */ @Override public void onActivityCreated(Bundle savedInstanceState) { Log.v(TAG, "onActivityCreated : enter"); super.onActivityCreated(savedInstanceState); mMainApplication = getMainApplication(); mLocationProfile = mLocationProfileDaoHelper.findConnectedProfile(getActivity()); mAdapter = new ProgramGuideChannelCursorAdapter(getActivity()); setListAdapter(mAdapter); Bundle args = getArguments(); getLoaderManager().initLoader(0, args, this); Log.v(TAG, "onActivityCreated : exit"); } public void updateView(int channelId, DateTime date) { Log.v(TAG, "updateView : enter"); Bundle args = new Bundle(); args.putInt(ProgramConstants.FIELD_CHANNEL_ID, channelId); args.putLong(ProgramConstants.FIELD_END_TIME, date.getMillis()); getLoaderManager().restartLoader(0, args, this); mAdapter.notifyDataSetChanged(); Log.v(TAG, "updateView : exit"); } public void scroll(final int channelId, final DateTime selectedDate) { Log.v(TAG, "scroll : enter"); Log.v(TAG, "scroll : selectedDate=" + selectedDate.toString()); getListView().postDelayed(new Runnable() { /* (non-Javadoc) * @see java.lang.Runnable#run() */ @Override public void run() { Log.v(TAG, "postDelayed : enter"); //DateTime selectedDateUtc = DateUtils.convertUtc( selectedDate ); //Log.v( TAG, "postDelayed : selectedDateUtc=" + selectedDateUtc.toString() ); //DateTime start = selectedDateUtc.withTimeAtStartOfDay(); List<Program> programs = mProgramGuideDaoHelper.findAll(getActivity(), mLocationProfile, channelId, selectedDate.withTimeAtStartOfDay()); if (null != programs && !programs.isEmpty()) { Log.v(TAG, "postDelayed : programs size=" + programs.size()); int selectedPosition = 0; for (int i = 0; i < programs.size(); i++) { Program program = programs.get(i); Log.v(TAG, "postDelayed : postion '" + i + "', title=" + program.getTitle() + ", startTime=" + program.getStartTime().toString() + ", endTime=" + program.getEndTime().toString() + " [" + (program.getStartTime().isEqual(selectedDate) || (program.getStartTime().isBefore(selectedDate) && program.getEndTime().isAfter(selectedDate))) + "]"); if (program.getStartTime().isEqual(selectedDate) || (program.getStartTime().isAfter(selectedDate) && program.getEndTime().isAfter(selectedDate))) { Log.v(TAG, "postDelayed : selecting postion '" + i + "'"); selectedPosition = i; break; } } Log.v(TAG, "postDelayed : scrolling to postion '" + selectedPosition + "' of '" + getListView().getCount() + "'"); getListView().smoothScrollToPosition(selectedPosition); } Log.v(TAG, "postDelayed : enter"); } }, 100); Log.v(TAG, "scroll : exit"); } // internal helpers private class ProgramGuideChannelCursorAdapter extends CursorAdapter { private LayoutInflater mInflater; public ProgramGuideChannelCursorAdapter(Context context) { super(context, null, false); mInflater = LayoutInflater.from(context); } /* (non-Javadoc) * @see android.support.v4.widget.CursorAdapter#bindView(android.view.View, android.content.Context, android.database.Cursor) */ @Override public void bindView(View view, Context context, Cursor cursor) { Program program = ProgramDaoHelper.convertCursorToProgram(cursor, ProgramConstants.TABLE_NAME_GUIDE); if (null != program) { // Log.v( TAG, "bindView : title=" + program.getTitle() + ", startTime=" + DateUtils.getDateTimeUsingLocaleFormattingPretty( program.getStartTime(), mMainApplication.getDateFormat(), mMainApplication.getClockType() ) ); // Log.v( TAG, "bindView : program.recording=" + ( null != program.getRecording() ? program.getRecording().toString() : "empty" ) ); final ProgramViewHolder mHolder = (ProgramViewHolder) view.getTag(); mHolder.category.setBackgroundColor(mProgramHelper.getCategoryColor(program.getCategory())); mHolder.title.setText(program.getTitle()); mHolder.subTitle.setText(program.getSubTitle()); mHolder.startTime.setText(DateUtils.getTimeWithLocaleFormatting(program.getStartTime(), mMainApplication.getClockType())); RecordingInfo rec = program.getRecording(); if (null != rec) { switch (rec.getStatus()) { //Will record or has recorded case -1: case -3: mHolder.recStatus.setAlpha(0.5f); mHolder.recStatus.setVisibility(View.VISIBLE); break; //currently recording case -2: mHolder.recStatus.setAlpha(1f); mHolder.recStatus.setVisibility(View.VISIBLE); setRecordingAnimation(mHolder); break; //Not recordings default: case 0: mHolder.recStatus.setVisibility(View.GONE); break; } ; } else { mHolder.recStatus.setVisibility(View.GONE); } long duration = (program.getEndTime().getMillis() - program.getStartTime().getMillis()) / 60000; mHolder.duration.setText(duration + " mins"); } } /* (non-Javadoc) * @see android.support.v4.widget.CursorAdapter#newView(android.content.Context, android.database.Cursor, android.view.ViewGroup) */ @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { View view = mInflater.inflate(R.layout.program_guide_data_item, parent, false); ProgramViewHolder refHolder = new ProgramViewHolder(); refHolder.row = (LinearLayout) view.findViewById(R.id.program_guide_data_item); refHolder.category = (View) view.findViewById(R.id.program_guide_data_item_category); refHolder.title = (TextView) view.findViewById(R.id.program_guide_data_item_title); refHolder.subTitle = (TextView) view.findViewById(R.id.program_guide_data_item_sub_title); refHolder.startTime = (TextView) view.findViewById(R.id.program_guide_data_item_start_time); refHolder.duration = (TextView) view.findViewById(R.id.program_guide_data_item_duration); refHolder.recStatus = (ImageView) view.findViewById(R.id.program_guide_data_item_record_status_img); view.setTag(refHolder); return view; } //Internal helpers private void setRecordingAnimation(final ProgramViewHolder mHolder) { //animator that translates linearlayout AnimatorUpdateListener scaleAnimatorListener = new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { Float w = (Float) animation.getAnimatedValue(); mHolder.recStatus.setScaleX(w); mHolder.recStatus.setScaleY(w); } }; ValueAnimator scaleAnimator = ValueAnimator.ofFloat(1f, 0.6f); scaleAnimator.setDuration(500); scaleAnimator.setRepeatCount(ValueAnimator.INFINITE); scaleAnimator.setRepeatMode(ValueAnimator.REVERSE); scaleAnimator.setStartDelay(0); scaleAnimator.addUpdateListener(scaleAnimatorListener); scaleAnimator.start(); } } private static class ProgramViewHolder { LinearLayout row; View category; TextView title; TextView subTitle; TextView startTime; TextView duration; ImageView recStatus; } }